名校
1 . 已知圆
,圆
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cb72529f7648cf4666c6c37d415dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19f8e32dd96cbade160f7113ec51012.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若直线![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-02-03更新
|
1183次组卷
|
8卷引用:广东省江门市部分学校2023届高三下学期开学联考数学试题
广东省江门市部分学校2023届高三下学期开学联考数学试题浙江省部分学校2022-2023学年高三上学期1月联考数学试题浙江省金太阳联盟2022-2023学年高三上学期1月期末联考数学试题湖南省长沙市宁乡市第一高级中学2022-2023学年高二上学期12月月考数学试题(已下线)专题19 圆的方程-3山西省忻州市2023届高三一模数学试题浙江省浙里卷天下2023届高三一模数学试题(已下线)考点06 相切的位置关系(直线与圆,圆与圆) 2024届高考数学考点总动员
2 . 如图,点A、B的坐标分别为
,点P为x轴上的动点,若点B关于直线
的对称点
恰好落在x轴上,则点P的坐标是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/a4ffefa9-cea6-4ba3-a6fc-f4cf48850d01.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a7986d32696c9267450efde13feefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/a4ffefa9-cea6-4ba3-a6fc-f4cf48850d01.png?resizew=151)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 在疫情防控工作中,某学校在校门口的大门上方安装了一个人体测温摄像头.如图,学校大门高
米,
为体温监测有效识别区域的长度,小明身高
米,他站在点B处测得摄像头M的仰角为
,站在点A处测得摄像头M的仰角为
,求体温监测有效识别区域
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8d23611b2a4a685c785a764cd04637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc826d0a1d998aab958760b86586b00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/467cc2c6-6c34-464b-b68d-7e08f6752c3a.png?resizew=385)
您最近一年使用:0次
4 . 如图,已知一个矩形纸片
,将该纸片放置在平面直角坐标系中,点
,点
,点P为
边上的动点,将
沿
折叠得到
,连接
.则下列结中:①当
时,四边形
为正方形;②当
时,
的面积为15;③当P在运动过程中,
的最小值为
;④当
时,
.其中结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/1bc1dbf4-b224-44c5-bdd5-822aec133e3e.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea16ceca816f7d3d50650af141baf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7634259baae370a02d51eb2449f09cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23b9fc6ffcd8047efb5e7748fb7e4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f798e4487f5b752ea1caa829f68dac90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fdc2492e48a8cd83390da3546ce929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858c7efe1e8b3eeb61f5905f9791a312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b1c87a0e4a06ed10c7b63feb806f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48343d26700aca597c2d09a228ced20a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bd8bfbd43d0cf1604b8d7e0023f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f79389728422c3869a516bf2c14135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d9d896242b3a06489bc4c35a89e6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a0367c3fe3c5c5dfefec87f641bbde.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/1bc1dbf4-b224-44c5-bdd5-822aec133e3e.png?resizew=179)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
5 . 某工厂新引进一批电子产品,甲工人比乙工人每小时多搬运30件电子产品,已知甲工人搬运300件电子产品所用的时间与乙工人搬运200件电子产品所用的时间相同.若设乙工人每小时搬运x件电子产品,可列方程为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 现在道路上的车辆是越来越多了,如果没有交通规则约束和交通标志指示,那么路上的车辆一定是混杂堵塞,所以开车时一定要看清标志,文明驾车.下列交通标志中,既是轴对称图形又是中心对称图形的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 如图,抛物线
的对称轴为直线
,且抛物线经过
,
两点,交x轴于另一点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/24e534a9-5356-4a44-b087-8e0b9d0e5821.png?resizew=420)
(1)求抛物线的解析式;
(2)过点A作直线
的垂线交y轴于点D,平移直线
交抛物线于点E,F两点,连结
,
.若
为以
为斜边的直角三角形,求平移后的直线的解析式.
(3)设对称轴直线
与x轴交于M,点P为抛物线上对称轴左侧一点,直线
交抛物线于另一点Q,点P关于抛物线对称轴对称点H,直线
交抛物线对称轴于G点,在点P运动过程中
长是否为一定值,若为定值,请求出其值,若不为定值,请求出其变化范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a998a12fe8eaedcb5880790be542d258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcf82d01c39fd2c96e1edba0ad37dd6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/24e534a9-5356-4a44-b087-8e0b9d0e5821.png?resizew=420)
(1)求抛物线的解析式;
(2)过点A作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90c780dac29ff8b7df5881d3b33abab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff6005f926665a926c07ad62e0f032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd1c4e883518a7ac5a7517615e47e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(3)设对称轴直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c018b37259f3ead2ab2d94bd744f44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
您最近一年使用:0次
2022-09-28更新
|
50次组卷
|
2卷引用:广东省实验中学附属江门学校2022-2023学年高一上学期开学考试数学试题
8 . 如图,四边形
内接于
,
为直径,
和
交于点E,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/45aa132d-3a7f-4064-bd3e-fe37b06b42fe.png?resizew=486)
(1)求
的度数;
(2)过B作
的平行线,交
于F,试判断线段
,
,
之间满足的等量关系,并说明理由;
(3)在(2)条件下过E,F分别作
,
的垂线,垂足分别为G,H,连接
,交
于M,若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/45aa132d-3a7f-4064-bd3e-fe37b06b42fe.png?resizew=486)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
(2)过B作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(3)在(2)条件下过E,F分别作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3da257beb296514b57a1e3169b099dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4cfbea8de3f7ada0cacead2c1c5d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
9 . 某学校课后服务,为学生们提供了手工烹饪,文学赏析,体育锻炼,编导表演四种课程(依次用A,B,C,D表示),为了解学生对这四种课程的将好情况:学校随机抽取部分学生进行了“你最喜欢哪一种课外活动(必选且只选一种)”的问卷调查,并根据调查结果绘制了条形统计图和扇形统计图,部分信息如图:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/bb603287-2606-4c7a-ac31-4b1aa955e5be.png?resizew=341)
(1)参加问卷调查的学生人数是__________人,扇形统计图中“D”对应扇形的圆心角的大小为________.
(2)估计全体1000名学生中最喜欢C活动的人数约为多少人?
(3)现从喜好编导表演甲、乙、丙、丁四名学生中任选两人搭档彩排双人相声,请用树状图或列表法求恰好甲和丁同学被选到的概率是多少?
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/bb603287-2606-4c7a-ac31-4b1aa955e5be.png?resizew=341)
(1)参加问卷调查的学生人数是__________人,扇形统计图中“D”对应扇形的圆心角的大小为________.
(2)估计全体1000名学生中最喜欢C活动的人数约为多少人?
(3)现从喜好编导表演甲、乙、丙、丁四名学生中任选两人搭档彩排双人相声,请用树状图或列表法求恰好甲和丁同学被选到的概率是多少?
您最近一年使用:0次
10 . 某服装专卖店计划购进A,B两种型号的精品女装.已知2件A型女装和3件B型女装共需5600元;1件A型女装和2件B型女装共需3400元.
(1)求A,B型女装的单价.
(2)专卖店购进A,B两种型号女装共60件,其中A型的件数不少于B型件数的2倍,如果B型女装打八折,那么该专卖店至少需要准备多少贷款?
(1)求A,B型女装的单价.
(2)专卖店购进A,B两种型号女装共60件,其中A型的件数不少于B型件数的2倍,如果B型女装打八折,那么该专卖店至少需要准备多少贷款?
您最近一年使用:0次